Email Testing Software
Integrating end-to-end email testing
TesterBase is the leading customer communication testing platform, specialising in email and SMS testing for any app, product or campaign.
TesterBase's Email Testing API
Prove that signup and customer onboarding works
Ensure users can reset their passwords easily
Know when emails arrive in customer’s inboxes
Check that your product scales and keeps sending when under load
Be sure that email notifications are sent at the right time, with the right content
SMS Testing
End-to-end email testing for a seamless email experience
TesterBase is the leading customer communication testing platform, specialising in email and SMS testing for any app, product or campaign.
Use dedicated test mobile numbers, not your own phone
Access international mobile numbers that are dedicated to your business, so you never need to use your own mobile number.
Automate SMS testing, with any framework
Mailosaur lets you automate the testing of SMS messages, just like email, no matter if you use Cypress, Playwright, Robot Framework, or anything else.
Send customers the right message
Ensure that your customers are receiving the right message, before they’re sent out.
TesterBase SMS Testing
Test identity and account verification codes sent via SMS
Verify that SMS reminders are sent out at the right time
Ensure your promotional text messages are seen
Verify that SMS messages are delivered on time
Reply to messages just like a customer would.
Prove that your order update notifications are working
Email Preview Tool
Ensure your emails look perfect in Apps on phone
With TesterBase's Preview Tool, you are able to instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.
Preview emails in all popular email clients
Optimize for every situation
Catch errors before they reach customers
With TesterBase Preview Tool, you are able to instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.
TesterBase allows you to ensure your email appears in each inbox, exactly the way you send it, by giving fully native previews of: Different devices (iPhone max/plus, Android, Mac, etc). Different web browsers (chrome, firefox, safari, etc) Even Dark Mode.
Whether it’s a broken image, formatting errors, issues with dynamic fields - TesterBase makes troubleshooting quick and easy.